采用扫描电化学显微镜(SECM)和极化曲线研究了硫脲对HR-2不锈钢在酸性氯化钠溶液中的缓蚀作用.结果表明,硫脲具有明显的缓蚀作用,当溶液中硫脲的摩尔浓度增加到0.75 mmol/L后,缓蚀作用趋于稳定;极化曲线的自腐蚀电位变化微小,采用El-Awady模型拟合确定硫脲在不锈钢表面的吸附是单分子层,一个硫脲分子吸附在多个活性点上.
参考文献
| [1] | Xianghong Li;Shuduan Deng;Hui Fu .Allyl thiourea as a corrosion inhibitor for cold rolled steel in H_3PO_4 solution[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2012(Feb.):280-288. |
| [2] | 王力伟,李晓刚,杜翠薇,曾笑笑.微区电化学测量技术进展及在腐蚀领域的应用[J].中国腐蚀与防护学报,2010(06):498-503,512. |
| [3] | Martinez S.;Stern I. .Thermodynamic characterization of metal dissolution and inhibitor adsorption processes in the low carbon steel/mimosa tannin/sulfuric acid system[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2002(1/4):83-89. |
| [4] | M. Bouklah;B. Hammouti;M. Lagrenee;F. Bentiss .Thermodynamic properties of 2,5-bis(4-methoxyphenyl)-1,3,4-oxadiazole as a corrosion inhibitor for mild steel in normal sulfuric acid medium[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2006(9):2831-2842. |
| [5] | 郭惠霞,马颖,董海荣,张玉福,郝远.镁合金微弧氧化膜在乙二醇水溶液中的腐蚀行为[J].机械工程材料,2013(06):42-47. |
| [6] | 蔡述兰,谯康全,任德虎,何磊金,张小兰.4-氨基安替比林在盐酸溶液中对碳钢的缓蚀行为[J].腐蚀与防护,2013(07):576-579. |
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